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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "src/core/ext/transport/chttp2/transport/incoming_metadata.h"
#include <string.h>
#include "src/core/ext/transport/chttp2/transport/internal.h"
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
void grpc_chttp2_incoming_metadata_buffer_init(
grpc_chttp2_incoming_metadata_buffer *buffer, gpr_arena *arena) {
buffer->arena = arena;
grpc_metadata_batch_init(&buffer->batch);
buffer->batch.deadline = GRPC_MILLIS_INF_FUTURE;
}
void grpc_chttp2_incoming_metadata_buffer_destroy(
grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer) {
grpc_metadata_batch_destroy(exec_ctx, &buffer->batch);
}
grpc_error *grpc_chttp2_incoming_metadata_buffer_add(
grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer,
grpc_mdelem elem) {
buffer->size += GRPC_MDELEM_LENGTH(elem);
return grpc_metadata_batch_add_tail(
exec_ctx, &buffer->batch, (grpc_linked_mdelem *)gpr_arena_alloc(
buffer->arena, sizeof(grpc_linked_mdelem)),
elem);
}
grpc_error *grpc_chttp2_incoming_metadata_buffer_replace_or_add(
grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer,
grpc_mdelem elem) {
for (grpc_linked_mdelem *l = buffer->batch.list.head; l != NULL;
l = l->next) {
if (grpc_slice_eq(GRPC_MDKEY(l->md), GRPC_MDKEY(elem))) {
GRPC_MDELEM_UNREF(exec_ctx, l->md);
l->md = elem;
return GRPC_ERROR_NONE;
}
}
return grpc_chttp2_incoming_metadata_buffer_add(exec_ctx, buffer, elem);
}
void grpc_chttp2_incoming_metadata_buffer_set_deadline(
grpc_chttp2_incoming_metadata_buffer *buffer, grpc_millis deadline) {
buffer->batch.deadline = deadline;
}
void grpc_chttp2_incoming_metadata_buffer_publish(
grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer,
grpc_metadata_batch *batch) {
*batch = buffer->batch;
grpc_metadata_batch_init(&buffer->batch);
}
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